<?php  //$Id: import.php,v 1.3 2007/10/10 06:34:21 nicolasconnault Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com	   //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

require_once '../../../config.php';
require_once 'lib.php';
require_once $CFG->libdir.'/filelib.php';

$url	   = required_param('url', PARAM_URL); // only real urls here
$id		= required_param('id', PARAM_INT); // course id
$feedback  = optional_param('feedback', 0, PARAM_BOOL);

if (!$course = get_record('course', 'id', $id)) {
	print_error('nocourseid');
}

require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $id);

require_capability('moodle/grade:import', $context);
require_capability('gradeimport/xml:view', $context);


// Large files are likely to take their time and memory. Let PHP know
// that we'll take longer, and that the process should be recycled soon
// to free up memory.
@set_time_limit(0);
@raise_memory_limit("256M");
if (function_exists('apache_child_terminate')) {
	@apache_child_terminate();
}

$text = download_file_content($url);
if ($text === false) {
	error('Can not read file');
}

$error = '';
$importcode = import_xml_grades($text, $course, $error);

if ($importcode !== false) {
	/// comit the code if we are up this far

	if (defined('USER_KEY_LOGIN')) {
		if (grade_import_commit($id, $importcode, $feedback, false)) {
			echo 'ok';
			die;
		} else {
			error('Grade import error'); //TODO: localize
		}

	} else {
		$strgrades = get_string('grades', 'grades');
		$actionstr = get_string('xml', 'grades');
		$navigation = grade_build_nav(__FILE__, $actionstr, array('courseid' => $course->id));

		print_header($course->shortname.': '.get_string('grades'), $course->fullname, $navigation);
		print_grade_plugin_selector($id, 'import', 'xml');

		grade_import_commit($id, $importcode, $feedback, true);

		print_footer();
		die;
	}

} else {
	error($error);
}

?>
